Just a command to enable port forwarding in Windows
A simple hack for tmux copy-paste to work in all environments. It can be RDB, ssh, ssh in tmux, tmux in ssh, etc.,
This post describes the necessary setup for Linux-perf. The setup machine is an Ubuntu VM. No custom kernel build.
Upgrade kernel of a virtual machine in seconds. Normally kernel upgrade will require a reboot. As reboot will take minutes to complete, service downtime will be more. Here we'll see how upgrade kernel of a VM running Debian-9 in seconds.
Profiling VM_EXIT reasons with `perf kvm` tool
A story about how I fixed the boot delay in an ARM64 system. This article walks through Linux reboot / kexec code path, a bit of kexec-tools source and importantly how kexec-tools injects its code in your boot path.
Variadic function is function that accepts varying number arguments. But often times we've to pass the number of arguments as the first argument. But once we faced a peculiar problem where the number of arguments can't be passed. And we solved it in a peculiar ;) way.
How to build your own customized kernel for Raspberry Pi using yocto.
Raspberry Pi foundation maintains customized Linux kernel for Raspberry Pi devices. Cross-compiling vanilla kernel to Raspberry Pi is bit challenging. But its worth giving a try as we can test latest kernel on it. This article is a step-by-step guide to build vanilla kernel for Raspberry Pi 3. It explains necessary device-tree files and kernel configurations related to Raspberry Pi.